Commit5a7e758

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Add a GUC to report whether data page checksums are enabled.

Backported from master. It was an oversight in the original data checksumspatch to not have a GUC like this.

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Lines changed: 13 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -6171,6 +6171,19 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'`
`6171`	`6171`	`</listitem>`
`6172`	`6172`	`</varlistentry>`
`6173`	`6173`
	`6174`	`+ <varlistentry id="guc-data-checksums" xreflabel="data_checksums">`
	`6175`	`+ <term><varname>data_checksums</varname> (<type>boolean</type>)</term>`
	`6176`	`+ <indexterm>`
	`6177`	`+ <primary><varname>data_checksums</> configuration parameter</primary>`
	`6178`	`+ </indexterm>`
	`6179`	`+ <listitem>`
	`6180`	`+ <para>`
	`6181`	`+ Reports whether data checksums are enabled for this cluster.`
	`6182`	`+ See <xref linkend="app-initdb-data-checksums"> for more information.`
	`6183`	`+ </para>`
	`6184`	`+ </listitem>`
	`6185`	`+ </varlistentry>`
	`6186`	`+`
`6174`	`6187`	`<varlistentry id="guc-integer-datetimes" xreflabel="integer_datetimes">`
`6175`	`6188`	`<term><varname>integer_datetimes</varname> (<type>boolean</type>)</term>`
`6176`	`6189`	`<indexterm>`

Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -3739,6 +3739,10 @@ ReadControlFile(void)`
`3739`	`3739`	`" but the server was compiled without USE_FLOAT8_BYVAL."),`
`3740`	`3740`	`errhint("It looks like you need to recompile or initdb.")));`
`3741`	`3741`	`#endif`
	`3742`	`+`
	`3743`	`+/* Make the initdb settings visible as GUC variables, too */`
	`3744`	`+SetConfigOption("data_checksums",DataChecksumsEnabled() ?"yes" :"no",`
	`3745`	`+PGC_INTERNAL,PGC_S_OVERRIDE);`
`3742`	`3746`	`}`
`3743`	`3747`
`3744`	`3748`	`void`

Lines changed: 12 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -464,6 +464,7 @@ static intmax_identifier_length;`
`464`	`464`	`staticintblock_size;`
`465`	`465`	`staticintsegment_size;`
`466`	`466`	`staticintwal_block_size;`
	`467`	`+staticbooldata_checksums;`
`467`	`468`	`staticintwal_segment_size;`
`468`	`469`	`staticboolinteger_datetimes;`
`469`	`470`	`staticinteffective_io_concurrency;`
`@@ -1453,6 +1454,17 @@ static struct config_bool ConfigureNamesBool[] =`
`1453`	`1454`	`NULL,NULL,NULL`
`1454`	`1455`	`},`
`1455`	`1456`
	`1457`	`+{`
	`1458`	`+{"data_checksums",PGC_INTERNAL,PRESET_OPTIONS,`
	`1459`	`+gettext_noop("Shows whether data checksums are turned on for this cluster"),`
	`1460`	`+NULL,`
	`1461`	`+GUC_NOT_IN_SAMPLE \|GUC_DISALLOW_IN_FILE`
	`1462`	`+},`
	`1463`	`+&data_checksums,`
	`1464`	`+false,`
	`1465`	`+NULL,NULL,NULL`
	`1466`	`+},`
	`1467`	`+`
`1456`	`1468`	`/* End-of-list marker */`
`1457`	`1469`	`{`
`1458`	`1470`	`{NULL,0,0,NULL,NULL},NULL, false,NULL,NULL,NULL`

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